2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

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General

Target
2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk
Size 3.6MB
Sample241111-lf232a1kbr
SHA256 6b318607e1d44b5a87de5a9577045728cee8028ddc19de7309d87919368b7751
MD5 82da7a7a39369c65c434bdf3e9ff04bc
SHA1 239a6526857faaf632cc8b06663084004b8370ef
SHA512 51d3c6bdf3863b86e956c2d13802414e08927dae5aaee0e9dc227198816141ee26a5d42ed38fded123614d5a16549e15d7ca0e7e7d09bc3a73d61bccf958d056
SSDEEP 24576:wiSVYduVRYxf0fXRwSHYwC2xiS137KgliCcCwZV9fmCiUbZGkMv+NDxvjxs72qrY:0QusxfsGS4QxB1WqY9OmwfCvjW3k9p
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

File Explorer

2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

.exe 3.6MB

2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

IMPHASH c58be42386d57a9e071eace1fff5fa37
SHA256 6b318607e1d44b5a87de5a9577045728cee8028ddc19de7309d87919368b7751
MD5 82da7a7a39369c65c434bdf3e9ff04bc
SHA1 239a6526857faaf632cc8b06663084004b8370ef
SHA512 51d3c6bdf3863b86e956c2d13802414e08927dae5aaee0e9dc227198816141ee26a5d42ed38fded123614d5a16549e15d7ca0e7e7d09bc3a73d61bccf958d056
SSDEEP 24576:wiSVYduVRYxf0fXRwSHYwC2xiS137KgliCcCwZV9fmCiUbZGkMv+NDxvjxs72qrY:0QusxfsGS4QxB1WqY9OmwfCvjW3k9p
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

123888

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

user32

GetRawInputDeviceInfoW GetRawInputDeviceList

kernel32

AreFileApisANSI CloseHandle CreateFileW CreateProcessW DecodePointer DeleteCriticalSection EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess FindClose FindFirstFileExW FindFirstFileW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageA FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetExitCodeProcess GetFileAttributesExW GetFileInformationByHandleEx GetFileSizeEx GetFileType GetLastError GetLocaleInfoEx GetLocaleInfoW GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemInfo GetSystemTimeAsFileTime GetThreadContext GetUserDefaultLCID GlobalAlloc GlobalFree HeapAlloc HeapFree HeapQueryInformation HeapReAlloc HeapSize HeapValidate InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale K32EnumDeviceDrivers K32GetDeviceDriverBaseNameW LCMapStringEx LCMapStringW LeaveCriticalSection LoadLibraryExW LocalFree MultiByteToWideChar OutputDebugStringW QueryPerformanceCounter RaiseException ReadConsoleW ReadFile ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetFilePointerEx SetLastError SetStdHandle SetThreadContext SetUnhandledExceptionFilter TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter VirtualAllocEx WaitForSingleObject WideCharToMultiByte WriteConsoleW WriteFile WriteProcessMemory

mpr

WNetCloseEnum WNetEnumResourceA WNetOpenEnumA

Name

.text

Size

453KB

Virtual Size

453KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

3.1MB

Virtual Size

3.1MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

5KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

29KB

Virtual Size

29KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gxfg

Size

22KB

Virtual Size

22KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

140B

Characteristics

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

424B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

user32

kernel32

mpr

generic